:root {
  --oro: #F4B90D;
  --oro-suave: #fff3d1;
  --negro: #161310;
  --negro-2: #232019;
  --gris: #6b6357;
  --gris-claro: #efe9df;
  --blanco: #ffffff;
  --fondo: #faf7f1;
  --rojo: #c0392b;
  --verde: #1f8a4c;
  --radio: 14px;
  --sombra: 0 2px 10px rgba(22,19,16,.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Hanken Grotesk', system-ui, sans-serif;
  background: var(--fondo);
  color: var(--negro);
  -webkit-tap-highlight-color: transparent;
}

/* ===== Marca ===== */
.marca { font-size: 1.35rem; font-weight: 800; letter-spacing: -.02em; }
.marca-oro { color: var(--oro); }
.marca-aroma { color: var(--negro); }

/* ===== Layout POS ===== */
/* Bloquea el scroll de página SOLO en la pantalla de venta (la que tiene .pos).
   Las demás (inventario, ventas, caja) siguen con scroll normal. */
html:has(.pos), body:has(.pos) { height: 100%; overflow: hidden; }

.pos {
  display: grid;
  grid-template-columns: 1fr 360px;
  height: 100vh;       /* respaldo para navegadores viejos */
  height: 100dvh;      /* altura real visible en tablets/móviles */
  overflow: hidden;
}

.panel-productos {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-right: 1px solid var(--gris-claro);
}

.barra-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .9rem 1.2rem;
  background: var(--blanco);
  border-bottom: 1px solid var(--gris-claro);
}

.barra-acciones { display: flex; align-items: center; gap: .6rem; }

.buscador {
  font: inherit;
  padding: .6rem .9rem;
  border: 1.5px solid var(--gris-claro);
  border-radius: 10px;
  width: 220px;
  outline: none;
}
.buscador:focus { border-color: var(--oro); }

.link-nav {
  font-weight: 600;
  color: var(--gris);
  text-decoration: none;
  padding: .5rem .7rem;
  border-radius: 8px;
}
.link-nav:hover { background: var(--gris-claro); color: var(--negro); }

/* ===== Tabs ===== */
.tabs {
  display: flex;
  gap: .5rem;
  padding: .8rem 1.2rem;
  overflow-x: auto;
  background: var(--blanco);
  border-bottom: 1px solid var(--gris-claro);
}
.tab {
  font: inherit;
  font-weight: 600;
  white-space: nowrap;
  padding: .55rem 1.1rem;
  border: 1.5px solid var(--gris-claro);
  background: var(--blanco);
  border-radius: 999px;
  cursor: pointer;
  color: var(--gris);
}
.tab--activa {
  background: var(--negro);
  border-color: var(--negro);
  color: var(--blanco);
}

/* ===== Grid de productos ===== */
.grid {
  flex: 1;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: .8rem;
  padding: 1.2rem;
  align-content: start;
}

.card-prod {
  font: inherit;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding: 1rem;
  min-height: 110px;
  background: var(--blanco);
  border: 1.5px solid var(--gris-claro);
  border-radius: var(--radio);
  cursor: pointer;
  transition: transform .06s ease, border-color .1s ease;
}
.card-prod:active { transform: scale(.97); border-color: var(--oro); }
.card-nombre { font-weight: 700; line-height: 1.2; flex: 1; }
.card-precio { font-weight: 800; color: var(--negro); font-size: 1.05rem; }
.card-stock { font-size: .78rem; color: var(--gris); }
.card-stock.sin { color: var(--rojo); font-weight: 600; }

/* ===== Carrito ===== */
.panel-carrito {
  display: flex;
  flex-direction: column;
  background: var(--blanco);
  overflow: hidden;
}
.carrito-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.2rem;
  border-bottom: 1px solid var(--gris-claro);
}
.carrito-head h2 { font-size: 1.1rem; }
.btn-texto {
  font: inherit; font-weight: 600;
  background: none; border: none; color: var(--gris);
  cursor: pointer; padding: .3rem;
}
.btn-texto:hover { color: var(--rojo); }

.carrito-items {
  flex: 1;
  overflow-y: auto;
  padding: .6rem 1rem;
}
.carrito-vacio { color: var(--gris); text-align: center; padding: 2rem 1rem; }

.linea-item {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  align-items: center;
  gap: .6rem;
  padding: .7rem .2rem;
  border-bottom: 1px solid var(--gris-claro);
}
.li-info { display: flex; flex-direction: column; min-width: 0; }
.li-nombre { font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.li-precio { font-size: .78rem; color: var(--gris); }
.li-cant { display: flex; align-items: center; gap: .25rem; }
.li-btn {
  font: inherit; font-weight: 700; font-size: 1.1rem;
  width: 30px; height: 30px;
  border: 1.5px solid var(--gris-claro);
  background: var(--blanco); border-radius: 8px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.li-btn:active { background: var(--gris-claro); }
.li-num {
  font: inherit; font-weight: 700; min-width: 34px; text-align: center;
  background: var(--oro-suave); border: none; border-radius: 6px;
  padding: .3rem .2rem; cursor: pointer;
}
.li-sub { font-weight: 800; white-space: nowrap; }
.li-quitar {
  font: inherit; background: none; border: none; color: var(--gris);
  cursor: pointer; font-size: .9rem; padding: .2rem;
}
.li-quitar:hover { color: var(--rojo); }

.carrito-total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.2rem;
  border-top: 2px solid var(--negro);
  font-size: 1.05rem;
}
.carrito-total strong { font-size: 1.6rem; }

/* ===== Pago ===== */
.pago { padding: 0 1.2rem 1.2rem; }
.metodo { display: flex; gap: .6rem; margin-bottom: .8rem; }
.metodo-btn {
  flex: 1;
  font: inherit; font-weight: 700;
  padding: .8rem;
  border: 1.5px solid var(--gris-claro);
  background: var(--blanco);
  border-radius: 10px;
  cursor: pointer;
  color: var(--gris);
}
.metodo-btn--activo {
  border-color: var(--oro);
  background: var(--oro-suave);
  color: var(--negro);
}
.btn-cobrar {
  width: 100%;
  font: inherit; font-weight: 800; font-size: 1.25rem;
  padding: 1.1rem;
  background: var(--oro);
  color: var(--negro);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: var(--sombra);
}
.btn-cobrar:active { transform: scale(.99); }
.btn-cobrar:disabled { opacity: .4; cursor: not-allowed; }

/* ===== Modal cantidad ===== */
.modal-bg {
  position: fixed; inset: 0;
  background: rgba(22,19,16,.5);
  display: flex; align-items: center; justify-content: center;
  z-index: 50; padding: 1rem;
}
.modal-bg[hidden] { display: none; }
.modal {
  background: var(--blanco);
  border-radius: 16px;
  padding: 1.5rem;
  width: 100%; max-width: 340px;
  box-shadow: 0 10px 40px rgba(0,0,0,.25);
}
.modal h3 { margin-bottom: 1rem; }
.modal-input {
  font: inherit; font-size: 1.5rem; font-weight: 700;
  width: 100%; padding: .8rem;
  border: 1.5px solid var(--gris-claro); border-radius: 10px;
  text-align: center; margin-bottom: 1rem; outline: none;
}
.modal-input:focus { border-color: var(--oro); }
.modal-btns { display: flex; gap: .6rem; }
.btn-sec, .btn-pri {
  flex: 1; font: inherit; font-weight: 700;
  padding: .8rem; border-radius: 10px; cursor: pointer; border: none;
}
.btn-sec { background: var(--gris-claro); color: var(--negro); }
.btn-pri { background: var(--oro); color: var(--negro); }

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: 1.5rem; left: 50%;
  transform: translateX(-50%);
  padding: .9rem 1.5rem;
  border-radius: 12px;
  font-weight: 700;
  color: var(--blanco);
  box-shadow: 0 6px 24px rgba(0,0,0,.2);
  z-index: 60;
}
.toast--ok { background: var(--verde); }
.toast--error { background: var(--rojo); }

/* ===== Páginas internas (inventario, ventas) ===== */
.pagina { max-width: 1100px; margin: 0 auto; padding: 1.5rem; }
.pagina-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.5rem;
}
.titulo { font-size: 1.6rem; margin-bottom: 1.2rem; }

.bloque {
  background: var(--blanco); border: 1px solid var(--gris-claro);
  border-radius: var(--radio); padding: 1rem 1.2rem; margin-bottom: 1.5rem;
}
.bloque-titulo { font-weight: 700; cursor: pointer; }
.form-fila {
  display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1rem;
}
.inp {
  font: inherit; padding: .6rem .8rem;
  border: 1.5px solid var(--gris-claro); border-radius: 9px; outline: none;
}
.inp:focus { border-color: var(--oro); }
.inp--num { width: 130px; }

.btn-pri--sm { padding: .6rem 1rem; }

.tabla {
  width: 100%; border-collapse: collapse;
  background: var(--blanco); border-radius: var(--radio); overflow: hidden;
  box-shadow: var(--sombra);
}
.tabla th, .tabla td {
  padding: .8rem 1rem; text-align: left;
  border-bottom: 1px solid var(--gris-claro);
}
.tabla th { background: var(--negro); color: var(--blanco); font-size: .85rem; }
.tabla .der { text-align: right; }
.stock-neg { color: var(--rojo); font-weight: 700; }
.vacio { text-align: center; color: var(--gris); padding: 2rem; }

.acciones { display: flex; gap: .5rem; }
.acc { position: relative; }
.btn-mini {
  display: inline-block;
  font: inherit; font-weight: 600; font-size: .85rem;
  padding: .4rem .8rem;
  background: var(--gris-claro); border-radius: 8px;
  cursor: pointer; list-style: none; color: var(--negro);
  text-decoration: none;
}
.btn-mini::-webkit-details-marker { display: none; }
.form-pop {
  position: absolute; z-index: 10; top: 100%; right: 0; margin-top: .4rem;
  background: var(--blanco); border: 1px solid var(--gris-claro);
  border-radius: 12px; padding: 1rem; width: 240px;
  display: flex; flex-direction: column; gap: .6rem;
  box-shadow: 0 8px 30px rgba(0,0,0,.15);
}
.check { font-size: .9rem; display: flex; align-items: center; gap: .4rem; }

/* ===== Login ===== */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 1.5rem;
}
.login-card {
  width: 100%; max-width: 360px;
  background: var(--blanco); border-radius: 16px;
  padding: 2rem 1.6rem; box-shadow: 0 10px 40px rgba(0,0,0,.12);
  display: flex; flex-direction: column; gap: 1rem; text-align: center;
}
.marca-login { font-size: 1.6rem; }
.login-titulo { font-size: 1.2rem; margin: 0; }
.login-input { width: 100%; font-size: 1.1rem; text-align: center; }
.login-btn { width: 100%; }
.login-error {
  background: #fdecec; color: var(--rojo); border: 1px solid var(--rojo);
  border-radius: 9px; padding: .6rem; font-weight: 600; margin: 0;
}

/* ===== Detalle de venta en popup ===== */
.venta-detalle { margin-bottom: 1rem; }
.vd-linea {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: .35rem 0; border-bottom: 1px solid var(--gris-claro);
}
.vd-total {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: .6rem 0 .2rem; font-weight: 800; font-size: 1.2rem;
}
.vd-metodo { color: var(--gris); font-size: .9rem; }

/* ===== Caja / cuadre ===== */
.aviso-caja {
  background: #fff6e0; border: 1px solid var(--oro);
  color: var(--negro); padding: .7rem 1rem; border-radius: 10px;
  margin-bottom: 1rem; font-weight: 600;
}
.nota-caja { color: var(--gris); font-size: .85rem; margin-top: .6rem; }
.cuadre-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: .8rem; margin-top: 1rem;
}
.cuadre-item {
  display: flex; flex-direction: column; gap: .2rem;
  background: var(--gris-claro); border-radius: 10px; padding: .7rem .9rem;
}
.cuadre-item span { font-size: .8rem; color: var(--gris); }
.cuadre-item strong { font-size: 1.25rem; }
.cuadre-destacado { background: var(--negro); }
.cuadre-destacado span { color: #d8c9b0; }
.cuadre-destacado strong { color: var(--oro); }

/* ===== Responsive tablet vertical ===== */
@media (max-width: 820px) {
  .pos { grid-template-columns: 1fr; grid-template-rows: 1fr auto; }
  .panel-carrito {
    max-height: 45vh;
    max-height: 45dvh;
    border-top: 2px solid var(--negro);
  }
  .buscador { width: 150px; }
}